【UNRESPONSIVE BIND RETURN YOYO】 - Our Yoyo equipped with professional yoyo Concave bearing - you have to do a trick called a bind to get it to return to hand. We recommended learn more yo-yo skills on YouTube. 【FOR INTERMEDIATE AND ADVANCE PLAYERS】 - It is a great flagship entry-level unresponsive yo-yo for those Intermediate and Advance players who want something a litter sturdier than plastic with style string yoyo tricks (1A, 3A, 5A). with Detachable Weight rings obtain long spin time! 【ALUMINUM ALLOY MATERIAL】- using aluminum alloy 6061 material, delicate feel, shock resistance and fall resistance, more stable. 【U TYPE BOW SHAPE】- The yoyo is stylish and attractive. Diameter:54mm-Width:42mm-Gap Width:4.62mm. You can also put the rubber weight rings on the yoyo to add weight to get more speed and longer spinning time. 【BEST GIFT】- Awesome alloy professional yoyo ball for Intermediate, Expert, Advanced Players, adults, friends, family, anyone that wants to enjoy hours of fun.